Today I show you how I took a clay bowl that I made and used it as a sand casting pattern. This longest-route-ever-to-make-a-bowl is because of the "Dirty Potter Challenge" put on by the channel "Earth Nation Ceramics". Check him out. His name is Dante:    / halfbreedzero  

The Bowl: the bowl was thrown on a wooden kick wheel I made in an earlier video, and I made it specifically to have draft so that I could sand cast it. I decorated that bowl in white slip (hakeme or buncheong ware style if you are curious), clear glazed, fired at cone 6 in an electric kiln. Not particularly crazy. But that was the start...

The bowl was then rammed in petrobond sand and cast in A380 aluminum, using the fire brick metal foundry furnace I made a long time ago. Special care was taken to ensure a good surface finish, as sand cast texture free from porosity and other crap was the goal here. Anyone can polish something, but achieving a good as-cast surface finish is very hard.

I have only been doing pottery for about 6 months, metal casting for a couple years I think. Not sure on that one.

Video of me making the pottery wheel shown here:    • Building an Asian Pottery Kick Wheel ...  
Discussion of achieving the surface finish used in this video:    • Improving Metal Castings Through Bett...  
Sand Rammer used in this video:    • Casting Aluminum Sand Rammer from a 3...  
Melting furnace used in this video:    • How to Make a Fire Brick Metal Foundr...  

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Music: "Quirky Dog" by Kevin MacLeod. http://incompetech.com
#metalcasting #dirtypotterchallenge #metalart